output.c File Reference

Output an image and Trance support. More...

#include "contributors.h"
#include "global.h"
#include "mbuffer.h"
#include "image.h"
#include "memalloc.h"
#include "sei.h"
#include "input.h"

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Functions

static void write_out_picture (ImageParameters *p_Img, StorablePicture *p, int p_out)

static void img2buf_byte (imgpel **imgX, unsigned char *buf, int size_x, int size_y, int symbol_size_in_bytes, int crop_left, int crop_right, int crop_top, int crop_bottom)

static void img2buf_normal (imgpel **imgX, unsigned char *buf, int size_x, int size_y, int symbol_size_in_bytes, int crop_left, int crop_right, int crop_top, int crop_bottom)

static void img2buf_endian (imgpel **imgX, unsigned char *buf, int size_x, int size_y, int symbol_size_in_bytes, int crop_left, int crop_right, int crop_top, int crop_bottom)

static void initOutput (ImageParameters *p_Img, int symbol_size_in_bytes)

void write_picture (ImageParameters *p_Img, StorablePicture *p, int p_out, int real_structure)

void init_out_buffer (ImageParameters *p_Img)

void uninit_out_buffer (ImageParameters *p_Img)

void clear_picture (ImageParameters *p_Img, StorablePicture *p)

void write_unpaired_field (ImageParameters *p_Img, FrameStore *fs, int p_out)

void flush_direct_output (ImageParameters *p_Img, int p_out)

void write_stored_frame (ImageParameters *p_Img, FrameStore *fs, int p_out)

void direct_output (ImageParameters *p_Img, StorablePicture *p, int p_out)

Detailed Description

Output an image and Trance support.

Author:

Main contributors (see contributors.h for copyright, address and affiliation details)

Karsten Suehring <suehring@hhi.de>

Definition in file output.c.

Function Documentation

void clear_picture	(	ImageParameters *	p_Img,
		StorablePicture *	p
	)

Initialize picture memory with (Y:0,U:128,V:128).

Definition at line 617 of file output.c.

References storable_picture::imgUV, and storable_picture::imgY.

Referenced by write_unpaired_field().

void direct_output	(	ImageParameters *	p_Img,
		StorablePicture *	p,
		int	p_out
	)

Directly output a picture without storing it in the DPB. Fields are buffered before they are written to the file.

Parameters:

	p_Img	image decoding parameters for current picture
	p	Picture for output
	p_out	Output file

Definition at line 764 of file output.c.

References calculate_frame_no(), dpb_combine_field_yuv(), find_snr(), flush_direct_output(), free_storable_picture(), and write_picture().

Referenced by store_picture_in_dpb().

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void flush_direct_output	(	ImageParameters *	p_Img,
		int	p_out
	)

Write out unpaired fields from output buffer.

Parameters:

	p_Img	image decoding parameters for current picture
	p_out	Output file

Definition at line 703 of file output.c.

References free_storable_picture(), and write_unpaired_field().

Referenced by direct_output(), and write_stored_frame().

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static void img2buf_byte	(	imgpel **	imgX,
		unsigned char *	buf,
		int	size_x,
		int	size_y,
		int	symbol_size_in_bytes,
		int	crop_left,
		int	crop_right,
		int	crop_top,
		int	crop_bottom
	)			`[static]`

Convert image plane to temporary buffer for file writing.

Parameters:

	imgX	Pointer to image plane
	buf	Buffer for file output
	size_x	horizontal size
	size_y	vertical size
	symbol_size_in_bytes	number of bytes used per pel
	crop_left	pixels to crop from left
	crop_right	pixels to crop from right
	crop_top	pixels to crop from top
	crop_bottom	pixels to crop from bottom

Definition at line 153 of file output.c.

Referenced by initOutput().

static void img2buf_endian	(	imgpel **	imgX,
		unsigned char *	buf,
		int	size_x,
		int	size_y,
		int	symbol_size_in_bytes,
		int	crop_left,
		int	crop_right,
		int	crop_top,
		int	crop_bottom
	)			`[static]`

Convert image plane to temporary buffer for file writing.

Parameters:

	imgX	Pointer to image plane
	buf	Buffer for file output
	size_x	horizontal size
	size_y	vertical size
	symbol_size_in_bytes	number of bytes used per pel
	crop_left	pixels to crop from left
	crop_right	pixels to crop from right
	crop_top	pixels to crop from top
	crop_bottom	pixels to crop from bottom

Definition at line 193 of file output.c.

References error().

Referenced by initOutput().

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static void img2buf_normal	(	imgpel **	imgX,
		unsigned char *	buf,
		int	size_x,
		int	size_y,
		int	symbol_size_in_bytes,
		int	crop_left,
		int	crop_right,
		int	crop_top,
		int	crop_bottom
	)			`[static]`

Convert image plane to temporary buffer for file writing.

Parameters:

	imgX	Pointer to image plane
	buf	Buffer for file output
	size_x	horizontal size
	size_y	vertical size
	symbol_size_in_bytes	number of bytes used per pel
	crop_left	pixels to crop from left
	crop_right	pixels to crop from right
	crop_top	pixels to crop from top
	crop_bottom	pixels to crop from bottom

Definition at line 78 of file output.c.

Referenced by initOutput().

void init_out_buffer ( ImageParameters * p_Img )

Initialize output buffer for direct output.

Definition at line 583 of file output.c.

References alloc_frame_store(), and no_mem_exit().

Referenced by main().

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static void initOutput	(	ImageParameters *	p_Img,
		int	symbol_size_in_bytes
	)			`[static]`

selects appropriate output function given system arch. and data

Returns:

Definition at line 39 of file output.c.

References img2buf_byte(), img2buf_endian(), img2buf_normal(), and testEndian().

Referenced by write_out_picture().

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void uninit_out_buffer ( ImageParameters * p_Img )

Uninitialize output buffer for direct output.

Definition at line 601 of file output.c.

References free_frame_store().

Referenced by main().

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static void write_out_picture	(	ImageParameters *	p_Img,
		StorablePicture *	p,
		int	p_out
	)			`[static]`

Writes out a storable picture.

Parameters:

	p_Img	image decoding parameters for current picture
	p	Picture to be written
	p_out	Output file

Definition at line 433 of file output.c.

References error(), free_mem3Dpel(), get_mem3Dpel(), storable_picture::imgUV, storable_picture::imgY, initOutput(), no_mem_exit(), storable_picture::tone_mapping_lut, and YUV400.

Referenced by write_picture().

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void write_picture	(	ImageParameters *	p_Img,
		StorablePicture *	p,
		int	p_out,
		int	real_structure
	)

Writes out a storable picture without doing any output modifications.

Parameters:

	p_Img	image decoding parameters for current picture
	p	Picture to be written
	p_out	Output file
	real_structure	real picture structure

Definition at line 412 of file output.c.

References write_out_picture().

Referenced by direct_output(), write_stored_frame(), and write_unpaired_field().

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void write_stored_frame	(	ImageParameters *	p_Img,
		FrameStore *	fs,
		int	p_out
	)

Write a frame (from FrameStore).

Parameters:

	p_Img	image decoding parameters for current picture
	fs	FrameStore containing the frame
	p_out	Output file

Definition at line 730 of file output.c.

References flush_direct_output(), frame_store::is_used, write_picture(), and write_unpaired_field().

Referenced by output_one_frame_from_dpb(), and write_lost_non_ref_pic().

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void write_unpaired_field	(	ImageParameters *	p_Img,
		FrameStore *	fs,
		int	p_out
	)

Write out not paired direct output fields. A second empty field is generated and combined into the frame buffer.

Parameters:

	p_Img	image decoding parameters for current picture
	fs	FrameStore that contains a single field
	p_out	Output file

Definition at line 652 of file output.c.

References alloc_storable_picture(), clear_picture(), dpb_combine_field_yuv(), frame_store::is_used, and write_picture().

Referenced by flush_direct_output(), and write_stored_frame().

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Functions
static void	write_out_picture (ImageParameters p_Img, StorablePicture p, int p_out)
static void	img2buf_byte (imgpel *imgX, unsigned char buf, int size_x, int size_y, int symbol_size_in_bytes, int crop_left, int crop_right, int crop_top, int crop_bottom)
static void	img2buf_normal (imgpel *imgX, unsigned char buf, int size_x, int size_y, int symbol_size_in_bytes, int crop_left, int crop_right, int crop_top, int crop_bottom)
static void	img2buf_endian (imgpel *imgX, unsigned char buf, int size_x, int size_y, int symbol_size_in_bytes, int crop_left, int crop_right, int crop_top, int crop_bottom)
static void	initOutput (ImageParameters *p_Img, int symbol_size_in_bytes)
void	write_picture (ImageParameters p_Img, StorablePicture p, int p_out, int real_structure)
void	init_out_buffer (ImageParameters *p_Img)
void	uninit_out_buffer (ImageParameters *p_Img)
void	clear_picture (ImageParameters p_Img, StorablePicture p)
void	write_unpaired_field (ImageParameters p_Img, FrameStore fs, int p_out)
void	flush_direct_output (ImageParameters *p_Img, int p_out)
void	write_stored_frame (ImageParameters p_Img, FrameStore fs, int p_out)
void	direct_output (ImageParameters p_Img, StorablePicture p, int p_out)